The opportunities and challenges of performing transfer reactions in inverse kinematics using the ^(16,18)O beams at the experimental Cooler Storage Ring(CSRe)of the Heavy Ion Research Facility in Lanzhou(HIRFL)with t...The opportunities and challenges of performing transfer reactions in inverse kinematics using the ^(16,18)O beams at the experimental Cooler Storage Ring(CSRe)of the Heavy Ion Research Facility in Lanzhou(HIRFL)with the internal gas-jet target are discussed herein.The kinematics,differential cross sections for various transfer reactions using the ^(16,18)O beam with incident energies of 30 and 100 MeV/nucleon,and the H_(2)-or D_(2)-gas-jet targets are compared.The^(16)O beam at 100 MeV/nucleon with an intensity of≥10^(6)pps interacting with the H2-gas-jet target is recommended as the first transfer reaction at HIRFL-CSRe.展开更多
Two low-lying unbound states in ^(16)C are investigated by deuteron inelastic scattering in inverse kinematics.Besides the 2^(-) state at 5.45 MeV previously measured in a 1n knockout reaction,a new resonant state at ...Two low-lying unbound states in ^(16)C are investigated by deuteron inelastic scattering in inverse kinematics.Besides the 2^(-) state at 5.45 MeV previously measured in a 1n knockout reaction,a new resonant state at 6.89 MeV is observed for the first time.The inelastic scattering angular distributions of these two states are well reproduced by the distorted-wave Born approximation(DWBA)calculation with an l=1 excitation.In addition,the spinparities of the unbound states are discussed and tentatively assigned based on shell model calculations using the modified YSOX interaction.展开更多
基金Supported by the National Key Research and Development Program of China(2023YFA1606702)the National Natural Science Foundation of China(12275007)the funding from Heavy Ion Research Facility in Lanzhou(HIR2021PY002)。
文摘The opportunities and challenges of performing transfer reactions in inverse kinematics using the ^(16,18)O beams at the experimental Cooler Storage Ring(CSRe)of the Heavy Ion Research Facility in Lanzhou(HIRFL)with the internal gas-jet target are discussed herein.The kinematics,differential cross sections for various transfer reactions using the ^(16,18)O beam with incident energies of 30 and 100 MeV/nucleon,and the H_(2)-or D_(2)-gas-jet targets are compared.The^(16)O beam at 100 MeV/nucleon with an intensity of≥10^(6)pps interacting with the H2-gas-jet target is recommended as the first transfer reaction at HIRFL-CSRe.
基金Supported by the National Key R&D Program of China(2018YFA0404403)the National Natural Science Foundation of China(11775004,U1867214,11875074,11961141003)+1 种基金the funding from the State Key Laboratory of Nuclear Physics and Technology,Peking University(NPT2021ZZ01)the funding from Heavy Ion Research Facility in Lanzhou(HIR2021PY002)。
文摘Two low-lying unbound states in ^(16)C are investigated by deuteron inelastic scattering in inverse kinematics.Besides the 2^(-) state at 5.45 MeV previously measured in a 1n knockout reaction,a new resonant state at 6.89 MeV is observed for the first time.The inelastic scattering angular distributions of these two states are well reproduced by the distorted-wave Born approximation(DWBA)calculation with an l=1 excitation.In addition,the spinparities of the unbound states are discussed and tentatively assigned based on shell model calculations using the modified YSOX interaction.